1994
DOI: 10.1002/ange.19941060704
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Stereokontrollierte Synthese von Oligonucleosidphosphorothioaten

Abstract: Bei der Modulation der Genexpression durch Antisense‐Oligonucleotide oder deren Analoga wurden Ergebnisse erzielt, die auf eine neue Generation von Therapeutica gegen virale Infektionen, Krebs und andere Krankheiten hoffen lassen. Oligonucleosidphosphorothioate (Oligo‐S) sind die wirksamsten Analoga bei der Unterdrückung der Biosynthese „ungewollter”︁ Proteine. Erste klinische Untersuchungen von Oligo‐S als Antisense‐Präparate gegen Warzen im Genitalbereich und akute myeloische Leukämie werden zur Zeit durchge… Show more

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Cited by 16 publications
(11 citation statements)
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“…Based on the literature data, under typical conditions of RP-HPLC (a C18 column, elution with a gradient of 0.1 M triethylammonium bicarbonate (TEAB) and acetonitrile), all 16 di(deoxyribonucleoside) phosphorothioates of R P -configuration have shorter retention times (fast-eluting species) than their S P -counterparts. 26,27 Since fast-and slow-eluting diastereomers of 4d furnished slow-and fast-7, respectively, one can conclude that fast-4d and slow-4d yield the dinucleotides 7 of S P and R P absolute configuration, respectively. The stereoselectivity of condensation was not lower than 98%.…”
Section: Results and Discussion 5 0 -Otps Of Deoxyribonucleoside Seriesmentioning
confidence: 98%
“…Based on the literature data, under typical conditions of RP-HPLC (a C18 column, elution with a gradient of 0.1 M triethylammonium bicarbonate (TEAB) and acetonitrile), all 16 di(deoxyribonucleoside) phosphorothioates of R P -configuration have shorter retention times (fast-eluting species) than their S P -counterparts. 26,27 Since fast-and slow-eluting diastereomers of 4d furnished slow-and fast-7, respectively, one can conclude that fast-4d and slow-4d yield the dinucleotides 7 of S P and R P absolute configuration, respectively. The stereoselectivity of condensation was not lower than 98%.…”
Section: Results and Discussion 5 0 -Otps Of Deoxyribonucleoside Seriesmentioning
confidence: 98%
“…In chemistry, it is a key feature in applications such as enantioselective catalysis, [1] separation techniques, [2] and in the formation of supramolecular systems, both in solid assemblies [2,3] and in solution. [2, 4±6] Intermediate to solid-and solution-phase systems one might place organogels.…”
Section: Chiral Recognition In Bis-urea-basedmentioning
confidence: 99%
“…[1] Standard chemical methods for the synthesis of oligo(deoxyribonucleoside phosphorothioate)s (PS-Oligos) provide a mixture of 2 n diastereoisomers, where n is the number of phosphorothioate linkages. [2] The enzymatic synthesis of stereodefined PS-Oligos is limited to the preparation of (all-R P )-oligomers because of the stereoselectivity of available DNA and RNA polymerases. The first method for stereocontrolled chemical synthesis of PS-Oligos was elaborated in our group, [3] and several alternative methods were recently reported.…”
mentioning
confidence: 99%
“…In chemistry, it is a key feature in applications such as enantioselective catalysis, [1] separation techniques, [2] and in the formation of supramolecular systems, both in solid assemblies [2,3] and in solution. In chemistry, it is a key feature in applications such as enantioselective catalysis, [1] separation techniques, [2] and in the formation of supramolecular systems, both in solid assemblies [2,3] and in solution.…”
Section: Chiral Recognition In Bis-urea-basedmentioning
confidence: 99%
“…

Introduced by Eckstein, phosphorothioate analogues of nucleotides have become an indispensable tool for studying the metabolism of nucleic acids. [2] The enzymatic synthesis of stereodefined PS-Oligos is limited to the preparation of (all-R P )-oligomers because of the stereoselectivity of available DNA and RNA polymerases. [2] The enzymatic synthesis of stereodefined PS-Oligos is limited to the preparation of (all-R P )-oligomers because of the stereoselectivity of available DNA and RNA polymerases.

…”
mentioning
confidence: 99%